Kolosser 1:6

Which is come unto you--Greek, "Which is present among you," that is, which has come to, and remains with, you. He speaks of the word as a living person present among them. as it is in all the world--virtually, as it was by this time preached in the leading parts of the then known world; potentially, as Christ's command was that the Gospel should be preached to all nations, and not be limited, as the law was, to the Jews (Mat 13:38; Mat 24:14; Mat 28:19). However, the true reading, and that of the oldest manuscripts, is that which omits the following "and," thus (the "it is" of English Version is not in the original Greek): "As in all the world it is bringing forth fruit and growing (so the oldest manuscripts read; English Version omits 'and growing,' without good authority), even as it doth in you also." Then what is asserted is not that the Gospel has been preached in all the world, but that it is bearing fruits of righteousness, and (like a tree growing at the same time that it is bearing fruit) growing in numbers of its converts in, or throughout, all the world. heard of it--rather, "heard it." and knew--rather, "came to know"; became fully experimentally acquainted with. the grace of God in truth--that is, in its truth, and with true knowledge [ALFORD].

We have here, I. The inscription, as usual (Col 1:1, Col 1:2). II. His thanksgiving to God for what he had heard concerning them - their faith, love, and hope (Col 1:3-8). III. His prayer for their knowledge, fruitfulness, and strength (Col 1:9-11). IV. An admirable summary of the Christian doctrine concerning the operation of the Spirit, the person of the Redeemer, the work of redemption, and the preaching of it in the gospel (v. 12-29).

1:6 bearing fruit everywhere by changing lives: The Good News is effective to change lives and bring about spiritual growth (cp. 1:10).